Dan Arthur Koch

US Patent:

7360340, Apr 22, 2008

Filed:

Apr 12, 2005

Appl. No.:

11/104154

Inventors:

Curtis M. Grundman - Bennington NE, US
Dan A. Koch - Omaha NE, US

International Classification:

E04H 12/00

US Classification:

52 40, 527264, 52295, 52296, 527261

Abstract:

An inverted T-shaped connection member is disclosed for securing the lower end of an upstanding wind turbine tower to a foundation with the tower comprising a plurality of longitudinally extending peripheral sections joined together with each of the peripheral sections being bent along a plurality of longitudinally extending break lines to define a plurality of angled wall sections extending between inwardly extending edge portions with the lower ends of the peripheral sections having bolt openings formed therein. Each of the inverted T-shaped connection members has a generally horizontally disposed base portion and a generally vertically disposed web portion. The base portions of the connection members are secured to the foundation by bolts or the like. The upper ends of the web portions have bolt openings formed therein with the same being secured to the lower end of the tower by means of splice plates.

US Patent:

45263183, Jul 2, 1985

Filed:

Jun 11, 1984

Appl. No.:

6/618928

Inventors:

Ted D. Fleming - Council Bluffs IA
Dan A. Koch - Omaha NE
Francis R. McGill - Omaha NE
Ray P. Powers - Omaha NE
Roy H. Michaelsen - Ralston NE

International Classification:

F24F 700

US Classification:

236 49

Abstract:

A proportional fluid exchanger and recirculator having a damper element pivoted at its approximate balance point for thermostatically-responsive proportioning of fluid within a mixing chamber. Said damper element supports actuator elements, thus permitting ready installation at jobsite.